Home / 2,174.83-3,001.27-1,180.12

Finding the Fourth Proportional to 2,174.83, 3,001.27 and 1,180.12

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Solution

The fourth proportional to 2,174.83, 3,001.27 and 1,180.12 is: 1,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.83 : 3,001.27 = 1,180.12 : x
  2. Step 2: Convert to fraction form
    2,174.83/3,001.27 = 1,180.12/x
  3. Step 3: Cross multiply
    2,174.83x = 3,001.27 × 1,180.12
  4. Step 4: Simplify right side
    2,174.83x = 3,541,854.20
  5. Step 5: Solve for x
    x = 3,541,854.20/2,174.83
  6. Step 6: Final answer
    x = 1,628.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.